Home / 8,726.62-13,090.34-2,487.06

Finding the Fourth Proportional to 8,726.62, 13,090.34 and 2,487.06

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Solution

The fourth proportional to 8,726.62, 13,090.34 and 2,487.06 is: 3,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.62 : 13,090.34 = 2,487.06 : x
  2. Step 2: Convert to fraction form
    8,726.62/13,090.34 = 2,487.06/x
  3. Step 3: Cross multiply
    8,726.62x = 13,090.34 × 2,487.06
  4. Step 4: Simplify right side
    8,726.62x = 32,556,467.22
  5. Step 5: Solve for x
    x = 32,556,467.22/8,726.62
  6. Step 6: Final answer
    x = 3,730.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.